make sure

idiom

Definition of make sure

: to find out or do something so that one has no doubt about whether something is true, correct, will happen, etc. Make sure (that) you turn the oven off. They made sure everyone knew where they were supposed to be.

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Cite this Entry

“Make sure.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/make%20sure. Accessed 18 Jan. 2021.

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